#6551E7#6551E7

#6551E7 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.5% C 0.216 H 282.6°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#6551E7
RGBrgb(101, 81, 231)
HSLhsl(248, 76%, 61%)
HSVhsv(248, 65%, 91%)
CMYKcmyk(56.3%, 64.9%, 0%, 9.4%)
CIE-LABlab(44.83, 48.15, -73.44)
CIE-LCHlch(44.83, 87.82, 303.25°)
OKLaboklab(54.48% 0.0471 -0.2112)
OKLCHoklch(54.48% 0.216 282.6)
XYZxyz(22.7286, 14.4196, 77.1714)
Luminance0.1442 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6551E7 #D3E751
analogous
#5188E7 #6551E7 #B051E7
triadic
#6551E7 #E76551 #51E765
tetradic
#6551E7 #E75188 #D3E751 #51E7B0
square
#6551E7 #E75188 #D3E751 #51E7B0
split-complementary
#6551E7 #E7B051 #88E751
monochromatic
#2A17A7 #381EDC #6551E7 #9587EE #C4BDF6

Accessibility & contrast

On white

5.41
#6551E7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#6551E7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551E7
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6551E7#FFFFFF#000000##FFFFFF
##6551E71.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006FEC
Deuteranopia (green-blind)
#0065E4
Tritanopia (blue-blind)
#207795
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #6551e7;
/* rgb */ color: rgb(101, 81, 231);
/* oklch */ color: oklch(54.5% 0.216 282.6);
Tailwind
colors: {
  custom: {
    50: '#9d83f0',
    500: '#6551e7',
    950: '#000000',
  },
}
SCSS
$custom: #6551e7;
$custom-light: #9d83f0;
$custom-dark: #000000;
JSON
{
  "hex": "#6551e7",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 231
  },
  "hsl": {
    "h": 248,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.5448,
    "c": 0.21639,
    "h": 282.6
  },
  "luminance": 0.14421
}

Semantic roles & 50–950 ramp

primary
#6551E7
secondary
#DFE6AE
accent
#D80EBD
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B17
muted
#7F7C85

Preview Lab

Preview with #6551E7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#6551E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva